A flaw was discovered in the way that the Python repr() function handledUTF-32/UCS-4 strings. If an application written in Python used the repr()function on untrusted data, this could lead to a denial of service orpossibly allow the execution of arbitrary code with the privileges of thePython application. (CVE-2006-4980)

In addition, this errata fixes a regression in the SimpleXMLRPCServerbackport for Red Hat Enterprise Linux 3 that was introduced with RHSA-2005:109.

Users of Python should upgrade to these updated packages, which contain abackported patch to correct this issue.

4. Solution:

Before applying this update, make sure all previously released erratarelevant to your system have been applied.

This update is available via Red Hat Network. To use Red Hat Network,launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriateRPMs being upgraded on your system.